docs: def become_daemon(*args, **kwargs):
      """become_daemon function wrapper
  
      In Django 1.9, 'become_daemon' is removed.
      It means compatibility.
      """
      if django.VERSION >= (1, 9):
          from .daemonize import become_daemon
      else:
          from django.utils.daemonize import become_daemon
      return become_daemon(*args, **kwargs)